Pizza stone



FIG. 1 is a top perspective view of a pizza stone showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is bottom plan view thereof;

FIG. 4 is a front elevational view thereof; the rear being a mirrorimage;

FIG. 5 is a left side elevational view thereof; the right side being amirror image; and,

FIG. 6 is a sectional view thereof, taken along line 6-6 in FIG. 2.

CLAIM The ornamental design for a pizza stone, as shown and described.